Hello!
I was using openwrt linux on my at91sam board. And now I'm thinking about installing gentoo on arm9 based uc with my own-created board. I've got few questions - is there any list of supported by gentoo MCU's? Which crosscompiler should I use? and how to transfer files from my computer to uc?

From what I've read it seems like this can be a directory, rather than a file. But does it contain subdirectories, or is it simple filenames for each entry which usually resides in the file. In that case does the filename contain slashes?

I'm not sure if subdirs work or not.
rename your existing /etc/portage/package.keywords to /etc/portage/package.keywords_file
make a dir called /etc/portage/package.keywords and move /etc/portage/package.keywords_file into it.

The idea is that every file in /etc/portage/package.keywords is processed and you can use files to group things together.
Most of the files in /etc/portage have become directories. Crossdev puts make.conf there too, for the cross environment._________________Regards,

NeddySeagoon

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